Apple Mac OS X CFNetwork information disclosure

macos-cfnetwork-info-disclosure (50479) The risk level is classified as LowLow Risk

Description:

Apple Mac OS X could allow a remote attacker to obtain sensitive information, caused by an error in CFNetwork's parsing of Set-Cookie headers. A remote attacker could exploit this vulnerability to obtain sensitive information from non-RFC compliant Set-Cookie headers sent in unencrypted HTTP requests.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: None
  Availability Impact: None
 
Temporal Score: 3.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Obtain Information

Remedy:

Apply Apple Security Update 2009-002, available from the Apple Web site. See References.

References:

  • Apple Web site: About the security content of Security Update 2009-002 / Mac OS X v10.5.7.
  • BID-34926: RETIRED: Apple Mac OS X 2009-002 Multiple Security Vulnerabilities
  • BID-34951: Apple Mac OS X CFNetwork 'Set-Cookie' Headers Information Disclosure Vulnerability
  • CVE-2009-0144: CFNetwork in Apple Mac OS X 10.5 before 10.5.7 does not properly parse noncompliant Set-Cookie headers, which allows remote attackers to obtain sensitive information by sniffing the network for secure cookies that are sent over unencrypted HTTP connections.
  • OSVDB ID: 56505: Apple Mac OS X CFNetworks Set-Cookie HTTP Header Handling Information Disclosure
  • SA35074: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1022214: Mac OS X CFNetwork May Send Secure Cookies Over Non-encrypted Connections

Platforms Affected:

  • Apple Mac OS X 10.5
  • Apple Mac OS X 10.5.1
  • Apple Mac OS X 10.5.2
  • Apple Mac OS X 10.5.3
  • Apple Mac OS X 10.5.4
  • Apple Mac OS X 10.5.5
  • Apple Mac OS X 10.5.6
  • Apple Mac OS X Server 10.5
  • Apple Mac OS X Server 10.5.1
  • Apple Mac OS X Server 10.5.2
  • Apple Mac OS X Server 10.5.3
  • Apple Mac OS X Server 10.5.4
  • Apple Mac OS X Server 10.5.5
  • Apple Mac OS X Server 10.5.6

Reported:

May 12, 2009

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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